<!DOCTYPE html>
<html>
  <head>
    <title>LTI Launch Page</title>
  </head>
  <body>
    <form
        action='{{tool_url}}'
        method='post'
        name='lti_launch_form'>
      {% for name, value in signed_parameters.iteritems() %}
        <input type='hidden' name='{{name}}' value='{{value}}'></input>
      {% endfor %}
    </form>
    <script>
      window.onload = function() {
        document.lti_launch_form.submit();
      }
    </script>
  </body>
</html>
